This is the current size of SIM cards that most popular smartphones ... The same applies to the iPhone 15 and 16 series. Advancements in technology have allowed SIMs to be programmed remotely ...

Here’s an outstanding hack that adds a dual SIM slot to a US-sold eSIM iPhone 15/15 Pro, while preserving its exclusive mmwave module. No doubt, making use of the boardview files and schematics ...